Consew P1255RB User manual

Type
User manual
PREMIER
®
®
P-S ER IE S
by
P1255RB
P2339RB
PartsManual
1. P2339RBArmparts…………………………………………………………………………………………………………….11~14
2. P1255RBArmparts…………………………………………………………………………………………………………….15~18
3. Uppershaftandpresserfootparts…………………………………………………………………………………….19~20
4. P2339RBArmparts…………………………………………………………………………………………………………….21~24
5. P2339RBArmparts…………………………………………………………………………………………………………….25~28
6. P2339RBArmparts…………………………………………………………………………………………………………….29~32
7. P2339RBArmparts…………………………………………………………………………………………………………….33~36
8. P2339RBArmparts…………………………………………………………………………………………………………….37~38
9. P2339RBArmparts…………………………………………………………………………………………………………….39~40
10. P2339RBArmparts…………………………………………………………………………………………………………….41~42
11. P2339RBArmparts…………………………………………………………………………………………………………….43~44
12. P2339RBArm
part
s…………………………………………………………………………………………………………….45~46
1
2
small
big
B
A
B
A
oil felt
-1-
Both the models adopt straight twin-needle and two horizontal hooks with auto lubrication for thread
looping, sliding lever for thread take up to form two lines of lockstitch seam. The upper shaft and lower
shaft is connected by ball bearing and driven by teeth-type synchronic belt; plunge oil pump lubrication
system. They adopt the compound feed mechanics of feed dog, needle bar and presser foot, even if for long
stitch length and long material, They can deal with them freely.
They are widely used in factories of suitcase, tent, cushion, leather goods, apparel, mat, etc..
The difference between the two models:
35% adopts twin-needle, two large horizontal hooks with auto lubrication. With the parts it can
form ten different needle gauges.
35% adopts single needle and form single line double lockstitch form.
1. Brief introduct oni
1 Application: medium and heavy duty materials
2 Max. sewing speed: 2000 spm
3 Max. Stitch length : 9 mm
4 Needle bar stroke: 36 mm
5 Presser foot lift height: 8mm(by hand); 16mm(by knee)
6 Hook: large horizontal hook with auto lubrication
7 Needle: D3; 17 Nm125~180
8 Lubrication: pump auto lubrication (partial of manually oiling)
9 Needle gauge: (Twin-needle) 6.4, 3.2, 4, 4.8, 8, 9.5, 12.7, 16, 19, 25.4
10 Motor power: 0.37 kw (clutch motor)
2. Main Technical Specification
3.1 Installation
3.1.1 Location of the machine
To ensure a smooth running, the machine should
be located on rigid and flat floor. The insert of
rubber mat between machine stand and floor is
recommended for further reducing the running noise
and vibration.
3.1.2 Oil Reservoir Installation(Fig.1)
Put the oil reservoir into the table cutout, and
place the four cushions on the four corners of the
cutout, and place oil felt into the oil reservoir.
3.1.3 Mounting machine head(Fig.2)
Make the hinge A of machine head engaged with
hinge socket B on the table, then turn the machine
head freely till it is seated on the frame of table
cutout.
()
3. Installation and preparation
B
A
A
A
C
C
B
B
3
4
5
A
C
B
-2-
3.1.4 Knee control presser foot lifter installation(Fig.3)
a. Installing
Install Connector A , Bell Crank B , Bell C
in the order shown in Fig.3.
b. Adjustment (Fig.4)
In the order of the following:
1.When the presser foot is at its lowest posi-
tion, keep the crank in the position shown by b
in the figure, turn Knee Control Stop Adjusting
Screw C to touch with the oil reservoir, and
tighten the nut of Screw C .
2. When operate by knee, the presser foot lift
volume is controlled by Screw B . Turn the
presser foot lever down, make the bell in the po-
sition shown by a in the figure, lift the presser
foot to 13 mm, adjust Screw B to touch the oil
reservoir. Then tighten the nut of Screw B .
3.1.5 Installing the motor (Fig.5)
Align machine balance wheel belt groove A with
motor pulley belt groove B by moving the motor C
leftward or rightward. Be sure the belt is not touch
with table.
() () ( )
()
()
()
()
()
()
() ( )
A
B
C
D
G
F
E
10 - 12 mm
D
C
B
A
20 30
6
7
8
C
A
B
-3-
D
E
A
B
A
3.1.6 Connecting the clutch lever to the pedal (Fig.6)
1)The optimum tilt angle of pedal A with floor
is approx.30 degree.
2)Adjust the clutch of the motor so that clutch
lever C and draw bar B run in line.
3)The machine balance wheel should rotate coun-
terclockwise for normal sewing when view from opposite
side of balance wheel G . The motor is rotated in the
same direction. The rotation can be reversed by rever-
sing (turn over 180 deg.)the plug of motor.
4)Adjust the tension of V-belt F by moving the
motor vertically. The proper tension of V-belt is a slack
of 10-12mm when the belt is depressed at the belt span
by finger.
3.1.7 Installing the bobbin winder (Fig.7)
Align pulley B of bobbin winder with outside of
belt C and should be kept a proper clearance between
them , so that pulley B could be contacted with belt
after the stop latch thumb lever A depressed, thereby
belt drives the pulley B while machine running. After
check bobbin winder is in parallel with belt slit E
of table, fastened by two wood screws D .
3.1.8 Installing the thread spool stand (Fig.8)
Locate thread spool stand at the right front of
the table, note that spool rest may not obstruct when
machine head is turned backward, then tighten wood
screw.
3.2 Preparation
3.2.1 Cleaning the machine
Before delivery, the machine parts are coated with
rust preventive grease, whice may be hardened and con-
taminated by dust during storage and shipment. The
grease must by removed by clean cloth with gasoline.
()
() ()
()
()
()
( )
()
()
9
10
11
12
oil mark
oil screen
-4-
3.2.2 Examination
Though every machine is confirmed by strict inspec-
tion and test before delivery, the machine parts may be
loosed or deformed after long. distance transportation
with jolt. A thorough examination must be performed
after cleaning the machine . Turn the balance wheel to
see if there is running obstruction, parts collision,
uneven resistance or abnormal nosie. If these exist,
adjustment must be made accordingly before run.
3.2.3 Precaution before Start
a. Oiling (Fig.9)
Oil amount should be filled according to the marks
in the oil reservoir. Mark (H) refers to the highest
of oil amount; (L) refers to the lowest, be careful that
the oil amount should not be lower than Mark (L),
otherwise the machine parts can not be fed with oil
and cause overheat and collision.
Be sure to use machine oil HA-8 or HJ-7
b. When the machine starts for the initial time or
reuse after a long period of time, the proper oil
amount should be filled in sections of machine shown
by arrows in Fig10,11.When it is in operation, observe
the oil sparking in oil screen to check the oil
condition.
Note: when the machine needs drop oiling , do not
start before drop oiling.
c. When a new machine starts running, for extending
its life, please run at a medium and low speed (1000
spm) for about a month and then raise the speed
gradually.
d. Please turn off the power when it is not in use
or the operator leaves away from it .
e. Replace the oil every month. When replacing,
fully drain off the old oil in the reservoir and add
the new one.
f. The needle gauge options are: 6.4, 3.2, 4, 4.8, 8,
9.5, 12.7, 16, 19, 25.4 For getting it , the throat plate,
presser foot or alternating foot , needle holder, feed
dog, left and right sliding plates, thread guide should
be changed. It is provided with 6.4mm when it leaves
off the factory, For the other size, the relevant parts
can be ordered from the factory.
13
14
A
B
C
D
E
G
H
2
1
F
-5-
long groove
long groove leftward
clearance
(a)
(d)
(b)
(c)
A
4.1 Coordination between needle, thread and sewing
material
Please use needle D3; 17,Nm125-180.The coarseness
of needle should be in accordance with the nature of
material. If stitch on heavy duty material with a slim
needle, the needle will be easily bent, skip or thread
breakage occurs, on the contrary, stitch on tightly woven
material with a very coarse needle, the material will
be destroyed with over-big needle. So the needle and
thread should be properly selected.
4.2 Needle installation(Fig.13)
Turn the balance wheel to lift needle bar to the
highest position, loosen Needle Set Screw A , fully
insert the needle shank upto the bottom of needle
socket, keeping the long grooves of the two needles
opposite with each other, then tighten Screw A , For
single needle, keep the long groove of needle facing
the left of the operator. See Fig (b).
Note: Fig.(c) : insufficient insertion.
Fig.(d) : wrong direction of needle long groove
in insertion.
4.3 Winding the Bobbin thread
4.3.1 Winding method(Fig.14)
1) Install bobbin A to bobbin winder spindle B .
2) Pass thread C from spool through the eye 1 on
tension bracket E . Pass ti between tension discs 2 ,
and then wind the end of the thread a few turns on
the bobbin.
3) Push stop latch thumb lever D down to lock the
bobbin, the winder pulley F is thereby pressed on
belt G .
4) Start the machine to wind thread.
Note when thread is wound without sewing opera-
tion, be sure to keep the presser foot lifted.
5) When the thread is fully wound, the bobbin winder
stop latch automatically release the bobbin winder,
thus stopping the winding motion.
()
() ()
()
()
()
()
()
4. Operation
single needle
L7 L5 L4 L3' L3 L2' L2 L
R7 R1
15
16
17
-6-
A
A
B
C
C
D
E
AAABB
L11 R11
L8
L9
L10
L11
L12
L13
R8
R9
R10
from right to left from left to right
detail chart
thread
L6
R6
R11
R12
R13
R5
R2
R3
R4
4.3.2 Winding adjustment (Fig.15)
1) Wound bobbin thread should be neat and tight,
if not , adjust the thread tension by turning tension
stud thumb nut A of bobbin winder tension bracket.
Note: nylon or polyester thread should be wound
with light tension , otherwise bobbin D might be
broken or deformed.
2) When the wound thread layer does not present a
cylindrical shape as in Fig.15a, loosen tension bracket
screw B and move tension bracket C leftward or
rightward. If thread is wound as shown in Fig, 15b,
move the tension bracket rightward, while if thread
is wound as shown in Fig.15c,move the tension bracket
leftward, After adequately positioning the tension
bracket, tighten screw B .
3) Do not over fill the bobbin , the optimum capacity
of thread will fill about 80% of bobbin ouside diameter,
this can be adjusted by stop latch screw E .
4.3.3 Threading (Fig.16)
Every thread should be drawn through Thread Hole
A , when use light and smooth thread (polyester or long
silk thread), it should be drawn through Hole B , Keep
the thread take-up lever in its highest position , draw
every thread in the following numerical order.
4.3.4 The stitch length and forward and reverse sewing
control (Fig.17)
The stitch length can be regulated by Stitch
Length Dial A . Turn it counter-clockwise to expand
its length and clockwise to shorten its length . The
numbers on Dial A show the sizes of the stitch length
in mm.
For reverse feed, press down Release Feed Lever
C to perform reverse sewing , Release the lever, the
reverse feed lever can reset automatically and the
forward sewing is resumed.
()
()
() ()
()
()
()
()
()
()
()
21
20
19
18
Normal
A
B
C
-7-
hook
thread
sliding plate
hook
sliding plate
tension adjusting screw
loosen
tighten
inner stop piece
1
1
2
thread
4.3.5 Placing bobbin (Fig.18)
Note: when bobbin is placed into the bobbin case,
the thread should be wound properly in the correct
direction shown in the figure.
4.3.6 Drawing thread from the bobbin (Fig.19)
a. Draw the thread end to Bobbin Slot (1) shown in
the figure, and pull it out down through the inner
bobbin stop piece.
b. Hold the thread with left hand , turn the balance
wheel slowly and get the bobbin thread, then draw
them a little apart from the presser foot.
5.1 Thread tension adjustment
All forms of stitches are shown in Fig.20.
The normal stitch of sewing machine is shown as
Fig.(A) If stitch is abnormal , the puckering and thread
breakage will occur, and the needle thread tension and
bobbin thread tension should be adjusted so that the
normal stitch can be obtained.
a. If the stitch seam shows as Fig. 20B, indicates
that the needle thread or bobbin thread tension
is too loose , then turn the thread tension screw
counter-clockwise to release the needle thread
pressure; or turn the adjusting screw with a
screwdriver to increase the bobbin thread ten-
sion.( see Fig.20,22 )
5. Machine Adjustment
thread
25
24
23
22
button
balance wheel
pressure adjusting screw
reduce
increase
teeth - belt pulley
shaft
safety clutch device
-8-
needle thread tension
increase
reduce
b. If the needle thread is too loose and the bobbin
thread is too tight, then shows as Fig. 20C, And
turn the thread tension screw clockwise to increase
the needle thread tension; or turn loose the
bobbin lace screw to reduce the bobbin thread
tension. (See Fig. 21, 22)
For special sewing with special thread, the ten-
sion needed can be obtained by adjusting the power and
stroke of the thread take-up spring.
5.2 Adjusting the pressure of presser foot (Fig.23)
The pressure of the presser foot should be adjust-
ed according to the thickness of the sewing materials.
If stitch on heavy duty material, the pressure should
be increased and turn the pressure adjusting screw on
the back of the arm clockwise if reduce the pressure,
turn it counter-clockwise.
5.3 Use and adjustment of the safety clutch device
The function of the safety clutch device is to
prevent the hook and teeth-belt from destroy when the
needle thread is drawn into the hook for adnormal load
during the operation.
5.3.1 The function of the safety clutch device(Fig.24)
a. When the safety clutch device is functioning,
the teeth-belt will remove the load and the rock
shaft will stop rotating, only the upper shaft
rotates, and the machine stops work.
b. Clean off the needle thread which is drawn in
the hook.
c. Turn the shaft of the teeth-belt with hand to
check if the rock shaft can turn smoothly, then
reset the safety clutch device.
5.3.2 Resetting the safety clutch device.
a. While press down the button in the bed surface
with left hand, turn the balance wheel slowly
with right hand in the direction shown in Fig.
25.
26
27
28
stop plate
white mark
eccentric
lower shaft
loosen
tighten
set screw
belt
eccentric
reference line
button
special screw
horizontal shaft crank
upper layer feed reduce
upper layer feed increase
link
b. When the stop plate stops the balance wheel,
more strength is needed to turn the balance
wheel to reset the safety clutch device.
C. Release the button in the bed. So the resetting
of it is OK. (See Fig.26)
5.3.3 Regulating the strength on the safety clutch
device(Fig.27)
a. When the white mark of the eccentric pin aims
at the center of the rock shaft, indicates that
the strength on the safety clutch device is the
minimun.When the white mark points outward, the
strength is properly increased.
b. For regulating the strength of it, move the teeth
- belt and loosen the set screw of the eccentric
pin, and turn the eccentric pin.
c. After regulation, please tighten the set screw.
5.4 Upper feed adjustment (Fig.28)
If the upper and lower feed are not in timing
during sewing, the long hole of the horizontal feed
crank should be adjusted to get the length of upper
feed.
Adjust as the following:
a. Loosen the special screw.
b. Move the special screw upward to reduce the feed
amountor upper layer of material.
c. Move the special screw downward to increase the
feed amount. Theoretically when it is on the
reference line of the horizontal feed crank, the
upper feed amount equals to the lower feed
amount.
d. After adjustment, tighten the special screw.
-9-
30
29
oil amount
adjusting screw
increase
reduce
nut
special screw
crank
increase
reduce
crank link
-10-
5.5 Presser foot lift volume adjustment (Fig.29)
when stitch on the very elastic material or the
thickness of the sewing material is changed. The ad-
justment should be done in the following order:
1. Loosen the special screw.
2. When the centerline distance between the special
screw and the presser foot lift rear crank becomes
shorter, the presser foot lift volume will become longer.
On the country the distance becomes longer, the lift
volume will become shorter.
3. After adjustment, tighten the special screw. The
common presser foot lift volume can be adjusted in
the range of 2-6 mm.
5.6 Hook oil amount adjustment (Fig.30)
It adopts plunger full auto lubrication system,
even at very low speed, it can supply and suck oil very
well. Generally only the hook oil amount can be ad-
justed, the other can not be adjusted. The hook oil
amount can be obtained by the oil amount adjusting
screw. First loosen the nut of the adjusting screw,
turn the scre clockwise to increase the oil amount,
on the contrary reduce the oil amount. After adjust-
ment, tighten the nut.
w
Parts Manual
1.P2339RBArmParts
Line PartNumber Description Qt. Notes
1 300Ͳ1001 Bed 1
2 200Ͳ1003 Arm 1
3 200Ͳ1005 Pin 2 GB/T1176x30
4 300Ͳ1003 Screw 1 GB/T70.1M10x32
5 200Ͳ1009 Screw 3 GB/T5781M10x30
6 300Ͳ1004 Trademark 1
7 200Ͳ1014 Screw 2 GB8272x5
8 200Ͳ1016 Upperthreadguide 1
9 200Ͳ1017 Screw 2 SM11/64"x40/8
10 200Ͳ1018 Backcover 1
11 200Ͳ1019 Screw 15 SM11/64"x40/9
12 200Ͳ1377 Washer 16
13 200Ͳ1020 Cover 2
14 200Ͳ1021 Frontslideplate 1
15 200Ͳ1022 Screw 1 SM3/16"x32/5.4
16 200Ͳ1023 ThreadtakeͲupleverguard 1
17 200Ͳ1024 Backfrontcover 1
18 300Ͳ1007 Screw 1
19 300Ͳ1008 Spring 1
20 300Ͳ1009 Threadretainer 1
21 300Ͳ
1010 Lowthreadfinger
1
22 200Ͳ
1025 Screw 1 SM9/64"x40/6.5
23 200Ͳ1028 Screw 1
24 200Ͳ1029 Screw 1 SM11/64"x40
25 200Ͳ1030 Screw 1 SM9/64"x40
26 200Ͳ1031 Middlethreadfinger 1
27 200Ͳ1032 Rubberplug 2
28 200Ͳ1033 Faceplate 1
29 200Ͳ1034 Screw 2 SM3/16"x28
30 200Ͳ1035 Upperthreadguide 1
31 200Ͳ1036 Guidesetplate 1
32 200Ͳ1037 Setplate 1
33 200Ͳ1038 Oilretainer 1
34 300Ͳ1011 Needleplate 1
35 300Ͳ1012 Pinshaft 1
36 200Ͳ1042 Threadreleasinglever 1
37 200Ͳ1043 Rightslidingplate 1
38 200Ͳ1041 Leftslidingplate 1
39 200Ͳ1045 Rubberplug 1
40 200
Ͳ1048 Cover 1
41
200Ͳ1050
Rubberplug 1
42 200Ͳ1040 Springretainingplate 1
43 100Ͳ1034 Screw 1
44 300Ͳ1013 ThreadtensionComplete 1
45 200Ͳ1073 Screw 2

1.P2339RBArmParts
Line PartNumber Description Qt. Notes
46 200Ͳ1049 Threadreleasingplate 1
47 200Ͳ1089 Threadreleasingspring 1
48 200Ͳ1053 Screw 1
49 200Ͳ1055 Threadreleasingmovinglever 1
50 200Ͳ1059 Screw 1
51 200Ͳ1059 Settingplate 1
52 200Ͳ1061 Ring 1 GB8965
53 200Ͳ1063 Threadtensionplate 1
54 200Ͳ1250 Screw 1
55 200Ͳ1066 Spring 1
56 200Ͳ1068 Threadtensionbutton 1
57 200Ͳ1069 Nut 2
58 300Ͳ1014 Screw(long) 1
59 200Ͳ1071 Screw 1
60 200Ͳ1074 Smallthreadtensionplate 4
61 200Ͳ1075 Spring 2
62 200Ͳ1078 Nut 2
63 200Ͳ1080 Threadguidepin 3
64 200Ͳ1082 Threadfinger 1
65 200Ͳ1025 Screw 1
66 200Ͳ1085 Thread
releasingplate
2
67 200Ͳ1087 Spring 2
68 200Ͳ1088 Stoppingplate 2
69 200Ͳ1090 Nut 2
70 200Ͳ1091 Threadtensionplate 4
71 200Ͳ1062 Threadreleasingpin 1
72 300Ͳ1015 Screw(right) 1
73 200Ͳ1094 Screw(left) 1
74 200Ͳ1064 Nut 1
75 300Ͳ1016 Bushing 1
76 200Ͳ1077 Screw 1
77 200Ͳ1079 Positionbracket 1
78 300Ͳ1017 Guidebushing 1
79 300Ͳ1018 Settingscrew 1
80 200Ͳ1059 Bushing 1
81 200Ͳ1096 Threadcontrolplate 2
82 300Ͳ1020 ThreadtakeͲupspring 1
83 300Ͳ1021 Threadfinger 1
84 200Ͳ1095 ThreadtakeͲupspring 1
85 300Ͳ1022
Screw 1
86 300Ͳ
1023 Shaft 1
87 200Ͳ1084 Screw 1
88 200Ͳ1098 Threadreleasingpin(long) 1
89 200Ͳ1099 Threadreleasinglever 1
90 200Ͳ1079 Positionplate 1

2.P1255RBArmParts
Line PartNumber Description Qt. Notes
1 200Ͳ1002 Bed 1
2 200Ͳ1003 Arm 1
3 200Ͳ1005 Pin 2 GB/T1176x30
4 200Ͳ1007 Screw 1 GB/T70.1M10x25
5 200Ͳ1009 Screw 3 GB/T5781M10x30
6 200Ͳ1012 Trademark 1
7 200Ͳ1014 Screw 2 GB8272x5
8 200Ͳ1016 Upperthreadguide 1
9 200Ͳ1017 Screw 2 SM11/64"x40/8
10 200Ͳ1018 Backcover 1
11 200Ͳ1019 Screw 15 SM11/64"x40/9
12 200Ͳ1377 Washer 15
13 200Ͳ1020 Cover 2
14 200Ͳ1023 ThreadtakeͲupleverguard 1
15 200Ͳ1024 Backfrontcover 1
16 200Ͳ1025 Screw 1
17 200Ͳ1026 Lowerthreadfinger 1
18 200Ͳ1027 Oilfelt 1
19 200Ͳ1028 Screw 2
20 200Ͳ1029 Screw 1
21 200Ͳ
1030 Screw 1
22
200Ͳ1031 Middle
threadfinger 1
23 200Ͳ1032 Rubberplug 2
24 200Ͳ1033 Faceplate 1
25 200Ͳ1034 screw 2
26 200Ͳ1035 Upperthreadguide 1
27 200Ͳ1036 Guidesetplate 1
28 200Ͳ1037 Setplate 1
29 200Ͳ1038 Oilretainer 1
30 200Ͳ1039 Needleplate 1
31 200Ͳ1040 Springretainingplate 1
32 200Ͳ1042 Threadreleasinglever 1
33 200Ͳ1043 Rightslidingplate 1
34 200Ͳ1041 Leftslingplate 1
35 200Ͳ1045 Rubberplug 1
36 200Ͳ1048 Cover 1
37 200Ͳ1050 Rubberplug 1
38 200Ͳ1046 ThreadtensionComplete 1
39 200Ͳ1073
Screw 2
40 200Ͳ1049
Threadreleasingplate 1
41 200Ͳ1089 Threadreleasingspring 1
42 200Ͳ1053 Screw 1
43 200Ͳ1055 Threadreleasingmovinglever 1
44 200Ͳ1059 Screw 1
45 200Ͳ1059 Settingplate 1

  • Page 1 1
  • Page 2 2
  • Page 3 3
  • Page 4 4
  • Page 5 5
  • Page 6 6
  • Page 7 7
  • Page 8 8
  • Page 9 9
  • Page 10 10
  • Page 11 11
  • Page 12 12
  • Page 13 13
  • Page 14 14
  • Page 15 15
  • Page 16 16
  • Page 17 17
  • Page 18 18
  • Page 19 19
  • Page 20 20
  • Page 21 21
  • Page 22 22
  • Page 23 23
  • Page 24 24
  • Page 25 25
  • Page 26 26
  • Page 27 27
  • Page 28 28
  • Page 29 29
  • Page 30 30
  • Page 31 31
  • Page 32 32
  • Page 33 33
  • Page 34 34
  • Page 35 35
  • Page 36 36
  • Page 37 37
  • Page 38 38
  • Page 39 39
  • Page 40 40
  • Page 41 41
  • Page 42 42
  • Page 43 43
  • Page 44 44
  • Page 45 45
  • Page 46 46
  • Page 47 47
  • Page 48 48
  • Page 49 49
  • Page 50 50
  • Page 51 51

Consew P1255RB User manual

Type
User manual

Ask a question and I''ll find the answer in the document

Finding information in a document is now easier with AI